1061693953 has 2 divisors, whose sum is σ = 1061693954. Its totient is φ = 1061693952.

The previous prime is 1061693939. The next prime is 1061694097. The reversal of 1061693953 is 3593961601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015888129 + 45805824 = 31873^2 + 6768^2 .

It is an emirp because it is prime and its reverse (3593961601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061693953 is a prime.

It is a super-2 number, since 2×1061693953² = 2254388099673532418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061693903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530846976 + 530846977.

It is an arithmetic number, because the mean of its divisors is an integer number (530846977).

Almost surely, 2^1061693953 is an apocalyptic number.

It is an amenable number.

1061693953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061693953 is an equidigital number, since it uses as much as digits as its factorization.

1061693953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 1061693953 is about 32583.6454835858. The cubic root of 1061693953 is about 1020.1556705249.

The spelling of 1061693953 in words is "one billion, sixty-one million, six hundred ninety-three thousand, nine hundred fifty-three".